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Developmental Milestones in Babies and Toddlers

A chart of age-by-age developmental milestones for adoptive parentsYou can gain developmental information through the medical or health care records you receive when you adopt your child. As a child develops, skills should be assessed closely, using written information, pictures, and videos. Use the guidelines below to measure developmental milestones typically achieved by children from one month to three years old.

1 month
  • Lift head a little when lying on stomach
  • Watch objects for a short time
  • Make “noise in throat” sounds
  • Stay away from annoying sensations, such as a cloth or blanket on the face
2 months
  • Hold their heads up (bobbing when held in sitting position)
  • Sometimes imitate or respond to a smiling person
  • Roll partway to side
  • Make sounds of discomfort
3 months
  • Lift head and chest when lying on stomach
  • Recognize bottle or breast
  • Smile when talked to
  • Show active body movement
  • Follow moving things with their eyes
4 months
  • Hold head up for a long time without bobbing
  • Laugh out loud
  • Roll from front to back
  • Like to play
  • Grab an object held near their hand
  • Make sounds when talked to
6 months
  • Sit with little support
  • Respond to a friendly voice with a smile or coo
  • Roll from back to stomach
  • Turn and look when hearing sounds
  • Change object from hand to hand and from hand to mouth
9 months
  • Sit alone and change positions
  • Say “mama” and “dada”
  • Crawl
  • Respond to people they know
  • Respond to their own name
12 months
  • Pull themselves to stand and occasionally step with support
  • Nod their heads to signal “yes”
  • Give love
  • Pick things up with thumb and one finger
  • Say two or three words
15 months
  • Walk without support
  • Do some self-feeding
  • Speak and make their voice go up and down
  • Drink from a cup held by someone
  • Use four or five words
18 months
  • Walk (may run a bit)
  • Use five to 10 words
  • Climb up or down one stair
  • Pull toys that have wheel
  • Mark on paper with crayons
  • Understand easy directions
2 years
  • Give toys when asked
  • Recognize a familiar picture and know if it is upside down
  • Kick a large ball
  • Turn pages in a book (two or three at a time)
  • Use two or three words together, such as “more juice”
3 years
  • Walk up stairs holding railing
  • Unbutton large buttons
  • Stand for a moment on one foot
  • Talk of toilet needs
  • Open doors
  • Stack objects by size
  • Ask and answer simple questions
  • Speak clearly and be understood by family members
 
* For more information on developmental milestones of infants, toddlers and young children, visit the Ages & Stages page on healthychildren.org, a website created by the American Academy of Pediatrics.
Developmental Milestones in Babies and Toddlers Reviewed by on . You can gain developmental information through the medical or health care records you receive when you adopt your child. As a child develops, skills should be a You can gain developmental information through the medical or health care records you receive when you adopt your child. As a child develops, skills should be a Rating: 0

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